From d99bdf981dbee7e038e4a8e262504c1a15047c38 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Thu, 4 Sep 2025 16:29:57 +0300
Subject: tests: add more table-driven cases and negative provider tests;
 update report

---
 internal/lsp/build_prompts_table_test.go    | 16 ++++++++++++++
 internal/lsp/compute_textedit_table_test.go | 33 +++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 internal/lsp/build_prompts_table_test.go
 create mode 100644 internal/lsp/compute_textedit_table_test.go

(limited to 'internal/lsp')

diff --git a/internal/lsp/build_prompts_table_test.go b/internal/lsp/build_prompts_table_test.go
new file mode 100644
index 0000000..b0092e2
--- /dev/null
+++ b/internal/lsp/build_prompts_table_test.go
@@ -0,0 +1,16 @@
+package lsp
+
+import "testing"
+
+func TestBuildPrompts_Table(t *testing.T) {
+    p := CompletionParams{TextDocument: TextDocumentIdentifier{URI: "file:///x.go"}, Position: Position{Line:5, Character:7}}
+    cases := []struct{ name string; inParams bool }{
+        {"generic", false},
+        {"in_params", true},
+    }
+    for _, c := range cases {
+        sys, user := buildPrompts(c.inParams, p, "above", "current", "below", "func ctx")
+        if sys == "" || user == "" { t.Fatalf("%s: prompts empty", c.name) }
+    }
+}
+
diff --git a/internal/lsp/compute_textedit_table_test.go b/internal/lsp/compute_textedit_table_test.go
new file mode 100644
index 0000000..d82e91d
--- /dev/null
+++ b/internal/lsp/compute_textedit_table_test.go
@@ -0,0 +1,33 @@
+package lsp
+
+import "testing"
+
+func TestComputeTextEditAndFilter_Table(t *testing.T) {
+    cases := []struct{
+        name     string
+        inParams bool
+        current  string
+        pos      Position
+        cleaned  string
+    }{
+        {"ident_replace", false, "ab cd", Position{Line:1, Character:4}, "X"},
+        {"params_inside", true, "func add(a int, b string)", Position{Line:0, Character:15}, "c bool"},
+        {"params_at_close", true, "func add(a int)", Position{Line:0, Character:len("func add(a int)")}, "b string"},
+    }
+    for _, c := range cases {
+        te, filter := computeTextEditAndFilter(c.cleaned, c.inParams, c.current, CompletionParams{Position: c.pos})
+        if te == nil {
+            t.Fatalf("%s: expected edit", c.name)
+        }
+        if c.inParams && te.Range.Start.Character == 0 {
+            t.Fatalf("%s: expected param range (non-zero start)", c.name)
+        }
+        if filter == "" && c.current != "" {
+            // For ident_replace, filter may be non-empty; for params, it can be empty when replacing entire segment
+        }
+        if te.NewText != c.cleaned {
+            t.Fatalf("%s: newText got %q want %q", c.name, te.NewText, c.cleaned)
+        }
+    }
+}
+
-- 
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